The new Porsche 911 GT3 Cup's switching to the 911 GT3 RS platform, boasting a lower weight than the outgoing GT3-based Cup racer and 450 hp from Porsche's 3.8-liter flat-six. It also looks almost exactly the same.

Slotting just under the new 911 Turbo, Porsche's new track-ready yet street-legal 911 GT3 RS…
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Porsche calls the 911 GT3 Cup the best-selling race car in the world, and for just $150K before taxes, you can't afford not to buy one. Unless you're poor. Then Porsche can afford to ignore your needs. If you're not planning to go on the track or want a car for the street, the RS is nearly identical.